Coulomb-Sturmian separable expansion approach: Three-body Faddeev calculations for Coulomb-like interactions

Details Coulomb-Sturmian separable expansion approach: Three-body Faddeev calculations for Coulomb-like interactions Coulomb-Sturmian separable expansion approach: Three-body Faddeev calculations for Coulomb-like interactions

1996-04-18

arxiv.org/abs/nucl-th/9604027v1

Phys.Rev.C54:50-56,1996

Physics

Nuclear Physics

Nuclear Theory

to appear in Physical Review C, Volume 54, Issue 1, 1 July 1996

Scientific paper

10.1103/PhysRevC.54.50

We demonstrate the feasibility and efficiency of the Coulomb-Sturmian separable expansion method for generating accurate solutions of the Faddeev equations. Results obtained with this method are reported for several benchmark cases of bosonic and fermionic three-body systems. Correct bound-state results in agreement with the ones established in the literature are achieved for short-range interactions. We outline the formalism for the treatment of three-body Coulomb systems and present a bound-state calculation for a three-boson system interacting via Coulomb plus short-range forces. The corresponding result is in good agreement with the answer from a recent stochastic-variational-method calculation.

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